VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 04/25/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       26,923
COMMITMENTS
   6,099    6,615      561   18,166   17,799   24,826   24,975    2,097    1,948

CHANGES FROM 04/18/06 (CHANGE IN OPEN INTEREST:     -1,184)
     203      209      -40      144       51      307      220   -1,491   -1,404

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    22.7     24.6      2.1     67.5     66.1     92.2     92.8      7.8      7.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       49)
      19        8       14        8        5       41       25
 

Updated April 28, 2006